How To Tell A Real From A Fake Diamond
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The simplest, most honest answer to the question of how to tell a real diamond from a fake is “get a professional to test the diamond.” That may seem brutal, or you may have heard that there are ways that clever people with jewelers’ loupes can just take a peek and know which stones are real and which are fake, but the truth is that it is becoming harder and harder to determine a “real” diamond even for trained professionals, and it is dangerously difficult for amateurs.
There are some regulations of the thumbs.. If you purchase an already set diamond, look at the bands metal stamp (10k, 14k, 18l, Pl, ect), as using a precious metal band increases the chances that the ring’s creator used a real stone as well.
If you have a powerful magnifying glass or a jeweler’s loupe, examine the girdle-band and edges of the cut stone. Soft, rolled edges indicate a fake. So does a clear, waxy-smooth girdle where the facets meet and change direction around the “belly” of the stone.
Also you can use the loupe to look inside the stone for damage or nicks. It’s hard to replicate these features, which are naturally occurring and very elaborate at the microscopic level. Natural diamonds are most valuable when they have the fewest flaws; unfortunately minor flaws, which are often allowed through, cannot be easily spotted by an amateur.
Weight is a common indicator. Simulated diamonds have a significantly different weight than an authentic diamond; cubic zirconium is much heavier. In order to compare diamonds, you require a precision scale and samples of real diamonds.
It is a bad idea to use your diamond to cut glass. Do not try acid tests that may be used on metals. Don’t give in to your curiosity and try to smash a diamond because it will crush because it is a crystalline material. If it is a diamond, and you breath on it, the moisture will disappear too fast for you to see it; whereas, with a fake, it won’t. But that is a mere hint, no more, and is far from fail proof. Composition stones, that have a base of one material and a table of diamond, will pass the test and at the same time compare the valueless in terms of true worth.
Again, the very best way to tell a fake from a real diamond is to allow a professional to provide a serious appraisal. That is why extra caution should be used when choosing a new jeweler, and each new gem or stone should have come with a certificate of authenticity. Each stone is unique and the documentation can go a long way to establish your stone.. To get a correct and fair appraisal, a professional jeweler, can be a reliable and helpful source, as long as he has good sources for his information.
Not making any negative generalizations, but be quite cautious when having a stone appraised at a chain jewelry store. Mass produced manufacture of broad distribution shows both strength and weakness. They are often run very well, by honest men and women with equally honest support staff — but few in these stores are likely to have the in depth training associated with higher grades of jewelry store, or with highly qualified assessment businesses.
Make sure to take the time to learn the background, licensing, and experience of the assessor after checking online or in the yellow pages for advertisements. The best indicators of a skilled jeweler, is someone who is licensed, a journeyman from a traditional trade program, or someone who used to be a stone dealer.
Whenever you bring in a stone you are well within your rights to ask that it be tested under your supervision. (to discourage switching the product by less than honest jewelers) . If you are refused, turn and walk right back out. If buying a stone, ask for full documentation. Identifying real diamonds is difficult enough to make even pros think twice and look three times.
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